Home / 153,000.80-229,501.20-93,125.60

Finding the Fourth Proportional to 153,000.80, 229,501.20 and 93,125.60

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Solution

The fourth proportional to 153,000.80, 229,501.20 and 93,125.60 is: 139,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,000.80 : 229,501.20 = 93,125.60 : x
  2. Step 2: Convert to fraction form
    153,000.80/229,501.20 = 93,125.60/x
  3. Step 3: Cross multiply
    153,000.80x = 229,501.20 × 93,125.60
  4. Step 4: Simplify right side
    153,000.80x = 21,372,436,950.72
  5. Step 5: Solve for x
    x = 21,372,436,950.72/153,000.80
  6. Step 6: Final answer
    x = 139,688.40

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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.