Home / 153,740.51-230,617.67-47,116.65

Finding the Fourth Proportional to 153,740.51, 230,617.67 and 47,116.65

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Solution

The fourth proportional to 153,740.51, 230,617.67 and 47,116.65 is: 70,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,740.51 : 230,617.67 = 47,116.65 : x
  2. Step 2: Convert to fraction form
    153,740.51/230,617.67 = 47,116.65/x
  3. Step 3: Cross multiply
    153,740.51x = 230,617.67 × 47,116.65
  4. Step 4: Simplify right side
    153,740.51x = 10,865,931,805.62
  5. Step 5: Solve for x
    x = 10,865,931,805.62/153,740.51
  6. Step 6: Final answer
    x = 70,677.09

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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.