Home / 118,577.46-163,636.80-64,862.28

Finding the Fourth Proportional to 118,577.46, 163,636.80 and 64,862.28

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Solution

The fourth proportional to 118,577.46, 163,636.80 and 64,862.28 is: 89,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,577.46 : 163,636.80 = 64,862.28 : x
  2. Step 2: Convert to fraction form
    118,577.46/163,636.80 = 64,862.28/x
  3. Step 3: Cross multiply
    118,577.46x = 163,636.80 × 64,862.28
  4. Step 4: Simplify right side
    118,577.46x = 10,613,855,939.90
  5. Step 5: Solve for x
    x = 10,613,855,939.90/118,577.46
  6. Step 6: Final answer
    x = 89,509.89

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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.