Home / 153,004.40-229,528.20-47,812.40

Finding the Fourth Proportional to 153,004.40, 229,528.20 and 47,812.40

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Solution

The fourth proportional to 153,004.40, 229,528.20 and 47,812.40 is: 71,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,004.40 : 229,528.20 = 47,812.40 : x
  2. Step 2: Convert to fraction form
    153,004.40/229,528.20 = 47,812.40/x
  3. Step 3: Cross multiply
    153,004.40x = 229,528.20 × 47,812.40
  4. Step 4: Simplify right side
    153,004.40x = 10,974,294,109.68
  5. Step 5: Solve for x
    x = 10,974,294,109.68/153,004.40
  6. Step 6: Final answer
    x = 71,725.35

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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.