Home / 157,264.33-217,033.88-118,432.63

Finding the Fourth Proportional to 157,264.33, 217,033.88 and 118,432.63

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Solution

The fourth proportional to 157,264.33, 217,033.88 and 118,432.63 is: 163,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,264.33 : 217,033.88 = 118,432.63 : x
  2. Step 2: Convert to fraction form
    157,264.33/217,033.88 = 118,432.63/x
  3. Step 3: Cross multiply
    157,264.33x = 217,033.88 × 118,432.63
  4. Step 4: Simplify right side
    157,264.33x = 25,703,893,207.50
  5. Step 5: Solve for x
    x = 25,703,893,207.50/157,264.33
  6. Step 6: Final answer
    x = 163,443.89

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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.