Home / 157,584.04-217,503.30-90,554.92

Finding the Fourth Proportional to 157,584.04, 217,503.30 and 90,554.92

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Solution

The fourth proportional to 157,584.04, 217,503.30 and 90,554.92 is: 124,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,584.04 : 217,503.30 = 90,554.92 : x
  2. Step 2: Convert to fraction form
    157,584.04/217,503.30 = 90,554.92/x
  3. Step 3: Cross multiply
    157,584.04x = 217,503.30 × 90,554.92
  4. Step 4: Simplify right side
    157,584.04x = 19,695,993,931.24
  5. Step 5: Solve for x
    x = 19,695,993,931.24/157,584.04
  6. Step 6: Final answer
    x = 124,987.24

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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.