Home / 147,044.22-202,885.65-86,610.12

Finding the Fourth Proportional to 147,044.22, 202,885.65 and 86,610.12

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Solution

The fourth proportional to 147,044.22, 202,885.65 and 86,610.12 is: 119,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,044.22 : 202,885.65 = 86,610.12 : x
  2. Step 2: Convert to fraction form
    147,044.22/202,885.65 = 86,610.12/x
  3. Step 3: Cross multiply
    147,044.22x = 202,885.65 × 86,610.12
  4. Step 4: Simplify right side
    147,044.22x = 17,571,950,492.78
  5. Step 5: Solve for x
    x = 17,571,950,492.78/147,044.22
  6. Step 6: Final answer
    x = 119,501.13

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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.