Home / 134,681.76-185,852.40-74,249.28

Finding the Fourth Proportional to 134,681.76, 185,852.40 and 74,249.28

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Solution

The fourth proportional to 134,681.76, 185,852.40 and 74,249.28 is: 102,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,681.76 : 185,852.40 = 74,249.28 : x
  2. Step 2: Convert to fraction form
    134,681.76/185,852.40 = 74,249.28/x
  3. Step 3: Cross multiply
    134,681.76x = 185,852.40 × 74,249.28
  4. Step 4: Simplify right side
    134,681.76x = 13,799,406,886.27
  5. Step 5: Solve for x
    x = 13,799,406,886.27/134,681.76
  6. Step 6: Final answer
    x = 102,459.36

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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.