Home / 153,018.80-229,528.20-93,143.60

Finding the Fourth Proportional to 153,018.80, 229,528.20 and 93,143.60

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Solution

The fourth proportional to 153,018.80, 229,528.20 and 93,143.60 is: 139,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,018.80 : 229,528.20 = 93,143.60 : x
  2. Step 2: Convert to fraction form
    153,018.80/229,528.20 = 93,143.60/x
  3. Step 3: Cross multiply
    153,018.80x = 229,528.20 × 93,143.60
  4. Step 4: Simplify right side
    153,018.80x = 21,379,082,849.52
  5. Step 5: Solve for x
    x = 21,379,082,849.52/153,018.80
  6. Step 6: Final answer
    x = 139,715.40

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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.