Home / 432,848.60-648,965.70-166,506.20

Finding the Fourth Proportional to 432,848.60, 648,965.70 and 166,506.20

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Solution

The fourth proportional to 432,848.60, 648,965.70 and 166,506.20 is: 249,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,848.60 : 648,965.70 = 166,506.20 : x
  2. Step 2: Convert to fraction form
    432,848.60/648,965.70 = 166,506.20/x
  3. Step 3: Cross multiply
    432,848.60x = 648,965.70 × 166,506.20
  4. Step 4: Simplify right side
    432,848.60x = 108,056,812,637.34
  5. Step 5: Solve for x
    x = 108,056,812,637.34/432,848.60
  6. Step 6: Final answer
    x = 249,641.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.