Home / 153,126.18-229,688.46-53,285.58

Finding the Fourth Proportional to 153,126.18, 229,688.46 and 53,285.58

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Solution

The fourth proportional to 153,126.18, 229,688.46 and 53,285.58 is: 79,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,126.18 : 229,688.46 = 53,285.58 : x
  2. Step 2: Convert to fraction form
    153,126.18/229,688.46 = 53,285.58/x
  3. Step 3: Cross multiply
    153,126.18x = 229,688.46 × 53,285.58
  4. Step 4: Simplify right side
    153,126.18x = 12,239,082,810.41
  5. Step 5: Solve for x
    x = 12,239,082,810.41/153,126.18
  6. Step 6: Final answer
    x = 79,928.09

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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.