Home / 153,140.10-229,710.15-53,267.10

Finding the Fourth Proportional to 153,140.10, 229,710.15 and 53,267.10

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Solution

The fourth proportional to 153,140.10, 229,710.15 and 53,267.10 is: 79,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,140.10 : 229,710.15 = 53,267.10 : x
  2. Step 2: Convert to fraction form
    153,140.10/229,710.15 = 53,267.10/x
  3. Step 3: Cross multiply
    153,140.10x = 229,710.15 × 53,267.10
  4. Step 4: Simplify right side
    153,140.10x = 12,235,993,531.07
  5. Step 5: Solve for x
    x = 12,235,993,531.07/153,140.10
  6. Step 6: Final answer
    x = 79,900.65

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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.