Home / 287,848.98-431,802.27-88,167.06

Finding the Fourth Proportional to 287,848.98, 431,802.27 and 88,167.06

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Solution

The fourth proportional to 287,848.98, 431,802.27 and 88,167.06 is: 132,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,848.98 : 431,802.27 = 88,167.06 : x
  2. Step 2: Convert to fraction form
    287,848.98/431,802.27 = 88,167.06/x
  3. Step 3: Cross multiply
    287,848.98x = 431,802.27 × 88,167.06
  4. Step 4: Simplify right side
    287,848.98x = 38,070,736,647.23
  5. Step 5: Solve for x
    x = 38,070,736,647.23/287,848.98
  6. Step 6: Final answer
    x = 132,259.41

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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.