Home / 156,728.32-216,340.26-93,065.66

Finding the Fourth Proportional to 156,728.32, 216,340.26 and 93,065.66

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Solution

The fourth proportional to 156,728.32, 216,340.26 and 93,065.66 is: 128,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,728.32 : 216,340.26 = 93,065.66 : x
  2. Step 2: Convert to fraction form
    156,728.32/216,340.26 = 93,065.66/x
  3. Step 3: Cross multiply
    156,728.32x = 216,340.26 × 93,065.66
  4. Step 4: Simplify right side
    156,728.32x = 20,133,849,081.47
  5. Step 5: Solve for x
    x = 20,133,849,081.47/156,728.32
  6. Step 6: Final answer
    x = 128,463.38

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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.