Home / 157,025.60-216,693.51-85,404.08

Finding the Fourth Proportional to 157,025.60, 216,693.51 and 85,404.08

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Solution

The fourth proportional to 157,025.60, 216,693.51 and 85,404.08 is: 117,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,025.60 : 216,693.51 = 85,404.08 : x
  2. Step 2: Convert to fraction form
    157,025.60/216,693.51 = 85,404.08/x
  3. Step 3: Cross multiply
    157,025.60x = 216,693.51 × 85,404.08
  4. Step 4: Simplify right side
    157,025.60x = 18,506,509,863.52
  5. Step 5: Solve for x
    x = 18,506,509,863.52/157,025.60
  6. Step 6: Final answer
    x = 117,856.64

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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.