Home / 106,670.30-147,209.27-61,348.25

Finding the Fourth Proportional to 106,670.30, 147,209.27 and 61,348.25

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Solution

The fourth proportional to 106,670.30, 147,209.27 and 61,348.25 is: 84,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,670.30 : 147,209.27 = 61,348.25 : x
  2. Step 2: Convert to fraction form
    106,670.30/147,209.27 = 61,348.25/x
  3. Step 3: Cross multiply
    106,670.30x = 147,209.27 × 61,348.25
  4. Step 4: Simplify right side
    106,670.30x = 9,031,031,098.28
  5. Step 5: Solve for x
    x = 9,031,031,098.28/106,670.30
  6. Step 6: Final answer
    x = 84,663.03

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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.