Home / 157,011.28-216,696.42-93,384.16

Finding the Fourth Proportional to 157,011.28, 216,696.42 and 93,384.16

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Solution

The fourth proportional to 157,011.28, 216,696.42 and 93,384.16 is: 128,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,011.28 : 216,696.42 = 93,384.16 : x
  2. Step 2: Convert to fraction form
    157,011.28/216,696.42 = 93,384.16/x
  3. Step 3: Cross multiply
    157,011.28x = 216,696.42 × 93,384.16
  4. Step 4: Simplify right side
    157,011.28x = 20,236,013,156.71
  5. Step 5: Solve for x
    x = 20,236,013,156.71/157,011.28
  6. Step 6: Final answer
    x = 128,882.54

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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.