Home / 156,711.56-216,231.54-93,069.32

Finding the Fourth Proportional to 156,711.56, 216,231.54 and 93,069.32

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Solution

The fourth proportional to 156,711.56, 216,231.54 and 93,069.32 is: 128,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,711.56 : 216,231.54 = 93,069.32 : x
  2. Step 2: Convert to fraction form
    156,711.56/216,231.54 = 93,069.32/x
  3. Step 3: Cross multiply
    156,711.56x = 216,231.54 × 93,069.32
  4. Step 4: Simplify right side
    156,711.56x = 20,124,522,390.35
  5. Step 5: Solve for x
    x = 20,124,522,390.35/156,711.56
  6. Step 6: Final answer
    x = 128,417.60

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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.