Home / 127,823.07-176,387.89-70,459.42

Finding the Fourth Proportional to 127,823.07, 176,387.89 and 70,459.42

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Solution

The fourth proportional to 127,823.07, 176,387.89 and 70,459.42 is: 97,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,823.07 : 176,387.89 = 70,459.42 : x
  2. Step 2: Convert to fraction form
    127,823.07/176,387.89 = 70,459.42/x
  3. Step 3: Cross multiply
    127,823.07x = 176,387.89 × 70,459.42
  4. Step 4: Simplify right side
    127,823.07x = 12,428,188,424.42
  5. Step 5: Solve for x
    x = 12,428,188,424.42/127,823.07
  6. Step 6: Final answer
    x = 97,229.62

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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.