Home / 127,098.81-175,396.56-70,510.17

Finding the Fourth Proportional to 127,098.81, 175,396.56 and 70,510.17

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Solution

The fourth proportional to 127,098.81, 175,396.56 and 70,510.17 is: 97,304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,098.81 : 175,396.56 = 70,510.17 : x
  2. Step 2: Convert to fraction form
    127,098.81/175,396.56 = 70,510.17/x
  3. Step 3: Cross multiply
    127,098.81x = 175,396.56 × 70,510.17
  4. Step 4: Simplify right side
    127,098.81x = 12,367,241,263.02
  5. Step 5: Solve for x
    x = 12,367,241,263.02/127,098.81
  6. Step 6: Final answer
    x = 97,304.15

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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.