Home / 124,663.45-171,885.48-86,456.11

Finding the Fourth Proportional to 124,663.45, 171,885.48 and 86,456.11

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Solution

The fourth proportional to 124,663.45, 171,885.48 and 86,456.11 is: 119,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,663.45 : 171,885.48 = 86,456.11 : x
  2. Step 2: Convert to fraction form
    124,663.45/171,885.48 = 86,456.11/x
  3. Step 3: Cross multiply
    124,663.45x = 171,885.48 × 86,456.11
  4. Step 4: Simplify right side
    124,663.45x = 14,860,549,966.28
  5. Step 5: Solve for x
    x = 14,860,549,966.28/124,663.45
  6. Step 6: Final answer
    x = 119,205.35

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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.