Home / 127,036.81-175,304.82-70,446.97

Finding the Fourth Proportional to 127,036.81, 175,304.82 and 70,446.97

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Solution

The fourth proportional to 127,036.81, 175,304.82 and 70,446.97 is: 97,213.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,036.81 : 175,304.82 = 70,446.97 : x
  2. Step 2: Convert to fraction form
    127,036.81/175,304.82 = 70,446.97/x
  3. Step 3: Cross multiply
    127,036.81x = 175,304.82 × 70,446.97
  4. Step 4: Simplify right side
    127,036.81x = 12,349,693,395.40
  5. Step 5: Solve for x
    x = 12,349,693,395.40/127,036.81
  6. Step 6: Final answer
    x = 97,213.50

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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.