Home / 118,309.04-163,267.32-64,595.12

Finding the Fourth Proportional to 118,309.04, 163,267.32 and 64,595.12

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Solution

The fourth proportional to 118,309.04, 163,267.32 and 64,595.12 is: 89,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,309.04 : 163,267.32 = 64,595.12 : x
  2. Step 2: Convert to fraction form
    118,309.04/163,267.32 = 64,595.12/x
  3. Step 3: Cross multiply
    118,309.04x = 163,267.32 × 64,595.12
  4. Step 4: Simplify right side
    118,309.04x = 10,546,272,127.48
  5. Step 5: Solve for x
    x = 10,546,272,127.48/118,309.04
  6. Step 6: Final answer
    x = 89,141.73

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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.