Home / 153,834.59-230,776.28-65,088.75

Finding the Fourth Proportional to 153,834.59, 230,776.28 and 65,088.75

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Solution

The fourth proportional to 153,834.59, 230,776.28 and 65,088.75 is: 97,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,834.59 : 230,776.28 = 65,088.75 : x
  2. Step 2: Convert to fraction form
    153,834.59/230,776.28 = 65,088.75/x
  3. Step 3: Cross multiply
    153,834.59x = 230,776.28 × 65,088.75
  4. Step 4: Simplify right side
    153,834.59x = 15,020,939,269.41
  5. Step 5: Solve for x
    x = 15,020,939,269.41/153,834.59
  6. Step 6: Final answer
    x = 97,643.45

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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.