Home / 156,725.90-235,088.85-133,106.30

Finding the Fourth Proportional to 156,725.90, 235,088.85 and 133,106.30

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Solution

The fourth proportional to 156,725.90, 235,088.85 and 133,106.30 is: 199,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,725.90 : 235,088.85 = 133,106.30 : x
  2. Step 2: Convert to fraction form
    156,725.90/235,088.85 = 133,106.30/x
  3. Step 3: Cross multiply
    156,725.90x = 235,088.85 × 133,106.30
  4. Step 4: Simplify right side
    156,725.90x = 31,291,806,994.76
  5. Step 5: Solve for x
    x = 31,291,806,994.76/156,725.90
  6. Step 6: Final answer
    x = 199,659.45

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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.