Home / 153,239.61-211,350.82-99,541.92

Finding the Fourth Proportional to 153,239.61, 211,350.82 and 99,541.92

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Solution

The fourth proportional to 153,239.61, 211,350.82 and 99,541.92 is: 137,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,239.61 : 211,350.82 = 99,541.92 : x
  2. Step 2: Convert to fraction form
    153,239.61/211,350.82 = 99,541.92/x
  3. Step 3: Cross multiply
    153,239.61x = 211,350.82 × 99,541.92
  4. Step 4: Simplify right side
    153,239.61x = 21,038,266,416.37
  5. Step 5: Solve for x
    x = 21,038,266,416.37/153,239.61
  6. Step 6: Final answer
    x = 137,290.00

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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.