Home / 127,088.61-175,382.34-70,499.97

Finding the Fourth Proportional to 127,088.61, 175,382.34 and 70,499.97

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Solution

The fourth proportional to 127,088.61, 175,382.34 and 70,499.97 is: 97,289.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,088.61 : 175,382.34 = 70,499.97 : x
  2. Step 2: Convert to fraction form
    127,088.61/175,382.34 = 70,499.97/x
  3. Step 3: Cross multiply
    127,088.61x = 175,382.34 × 70,499.97
  4. Step 4: Simplify right side
    127,088.61x = 12,364,449,708.53
  5. Step 5: Solve for x
    x = 12,364,449,708.53/127,088.61
  6. Step 6: Final answer
    x = 97,289.99

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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.