Home / 156,724.07-216,334.40-93,061.41

Finding the Fourth Proportional to 156,724.07, 216,334.40 and 93,061.41

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Solution

The fourth proportional to 156,724.07, 216,334.40 and 93,061.41 is: 128,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,724.07 : 216,334.40 = 93,061.41 : x
  2. Step 2: Convert to fraction form
    156,724.07/216,334.40 = 93,061.41/x
  3. Step 3: Cross multiply
    156,724.07x = 216,334.40 × 93,061.41
  4. Step 4: Simplify right side
    156,724.07x = 20,132,383,018.94
  5. Step 5: Solve for x
    x = 20,132,383,018.94/156,724.07
  6. Step 6: Final answer
    x = 128,457.51

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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.