Home / 127,366.74-175,775.00-70,781.76

Finding the Fourth Proportional to 127,366.74, 175,775.00 and 70,781.76

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Solution

The fourth proportional to 127,366.74, 175,775.00 and 70,781.76 is: 97,683.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,366.74 : 175,775.00 = 70,781.76 : x
  2. Step 2: Convert to fraction form
    127,366.74/175,775.00 = 70,781.76/x
  3. Step 3: Cross multiply
    127,366.74x = 175,775.00 × 70,781.76
  4. Step 4: Simplify right side
    127,366.74x = 12,441,663,510.09
  5. Step 5: Solve for x
    x = 12,441,663,510.09/127,366.74
  6. Step 6: Final answer
    x = 97,683.77

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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.