Home / 147,352.69-203,337.03-86,909.55

Finding the Fourth Proportional to 147,352.69, 203,337.03 and 86,909.55

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Solution

The fourth proportional to 147,352.69, 203,337.03 and 86,909.55 is: 119,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,352.69 : 203,337.03 = 86,909.55 : x
  2. Step 2: Convert to fraction form
    147,352.69/203,337.03 = 86,909.55/x
  3. Step 3: Cross multiply
    147,352.69x = 203,337.03 × 86,909.55
  4. Step 4: Simplify right side
    147,352.69x = 17,671,929,775.64
  5. Step 5: Solve for x
    x = 17,671,929,775.64/147,352.69
  6. Step 6: Final answer
    x = 119,929.47

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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.