Home / 153,128.67-229,459.11-64,333.63

Finding the Fourth Proportional to 153,128.67, 229,459.11 and 64,333.63

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Solution

The fourth proportional to 153,128.67, 229,459.11 and 64,333.63 is: 96,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,128.67 : 229,459.11 = 64,333.63 : x
  2. Step 2: Convert to fraction form
    153,128.67/229,459.11 = 64,333.63/x
  3. Step 3: Cross multiply
    153,128.67x = 229,459.11 × 64,333.63
  4. Step 4: Simplify right side
    153,128.67x = 14,761,937,482.87
  5. Step 5: Solve for x
    x = 14,761,937,482.87/153,128.67
  6. Step 6: Final answer
    x = 96,402.18

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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.