Home / 156,637.23-216,159.58-85,017.25

Finding the Fourth Proportional to 156,637.23, 216,159.58 and 85,017.25

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Solution

The fourth proportional to 156,637.23, 216,159.58 and 85,017.25 is: 117,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,637.23 : 216,159.58 = 85,017.25 : x
  2. Step 2: Convert to fraction form
    156,637.23/216,159.58 = 85,017.25/x
  3. Step 3: Cross multiply
    156,637.23x = 216,159.58 × 85,017.25
  4. Step 4: Simplify right side
    156,637.23x = 18,377,293,052.76
  5. Step 5: Solve for x
    x = 18,377,293,052.76/156,637.23
  6. Step 6: Final answer
    x = 117,323.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.