Home / 153,899.29-212,384.62-96,541.05

Finding the Fourth Proportional to 153,899.29, 212,384.62 and 96,541.05

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Solution

The fourth proportional to 153,899.29, 212,384.62 and 96,541.05 is: 133,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,899.29 : 212,384.62 = 96,541.05 : x
  2. Step 2: Convert to fraction form
    153,899.29/212,384.62 = 96,541.05/x
  3. Step 3: Cross multiply
    153,899.29x = 212,384.62 × 96,541.05
  4. Step 4: Simplify right side
    153,899.29x = 20,503,834,218.65
  5. Step 5: Solve for x
    x = 20,503,834,218.65/153,899.29
  6. Step 6: Final answer
    x = 133,228.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.