Home / 118,553.93-163,607.65-64,842.12

Finding the Fourth Proportional to 118,553.93, 163,607.65 and 64,842.12

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Solution

The fourth proportional to 118,553.93, 163,607.65 and 64,842.12 is: 89,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,553.93 : 163,607.65 = 64,842.12 : x
  2. Step 2: Convert to fraction form
    118,553.93/163,607.65 = 64,842.12/x
  3. Step 3: Cross multiply
    118,553.93x = 163,607.65 × 64,842.12
  4. Step 4: Simplify right side
    118,553.93x = 10,608,666,712.11
  5. Step 5: Solve for x
    x = 10,608,666,712.11/118,553.93
  6. Step 6: Final answer
    x = 89,483.89

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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.