Home / 118,423.38-163,422.32-64,707.24

Finding the Fourth Proportional to 118,423.38, 163,422.32 and 64,707.24

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Solution

The fourth proportional to 118,423.38, 163,422.32 and 64,707.24 is: 89,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,423.38 : 163,422.32 = 64,707.24 : x
  2. Step 2: Convert to fraction form
    118,423.38/163,422.32 = 64,707.24/x
  3. Step 3: Cross multiply
    118,423.38x = 163,422.32 × 64,707.24
  4. Step 4: Simplify right side
    118,423.38x = 10,574,606,958.06
  5. Step 5: Solve for x
    x = 10,574,606,958.06/118,423.38
  6. Step 6: Final answer
    x = 89,294.93

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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.