Home / 437,554.20-656,331.30-105,130.20

Finding the Fourth Proportional to 437,554.20, 656,331.30 and 105,130.20

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Solution

The fourth proportional to 437,554.20, 656,331.30 and 105,130.20 is: 157,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,554.20 : 656,331.30 = 105,130.20 : x
  2. Step 2: Convert to fraction form
    437,554.20/656,331.30 = 105,130.20/x
  3. Step 3: Cross multiply
    437,554.20x = 656,331.30 × 105,130.20
  4. Step 4: Simplify right side
    437,554.20x = 69,000,240,835.26
  5. Step 5: Solve for x
    x = 69,000,240,835.26/437,554.20
  6. Step 6: Final answer
    x = 157,695.30

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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.