Home / 177,617.55-266,426.33-128,045.55

Finding the Fourth Proportional to 177,617.55, 266,426.33 and 128,045.55

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Solution

The fourth proportional to 177,617.55, 266,426.33 and 128,045.55 is: 192,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,617.55 : 266,426.33 = 128,045.55 : x
  2. Step 2: Convert to fraction form
    177,617.55/266,426.33 = 128,045.55/x
  3. Step 3: Cross multiply
    177,617.55x = 266,426.33 × 128,045.55
  4. Step 4: Simplify right side
    177,617.55x = 34,114,705,319.10
  5. Step 5: Solve for x
    x = 34,114,705,319.10/177,617.55
  6. Step 6: Final answer
    x = 192,068.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.