Home / 134,701.51-185,884.52-74,271.13

Finding the Fourth Proportional to 134,701.51, 185,884.52 and 74,271.13

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Solution

The fourth proportional to 134,701.51, 185,884.52 and 74,271.13 is: 102,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,701.51 : 185,884.52 = 74,271.13 : x
  2. Step 2: Convert to fraction form
    134,701.51/185,884.52 = 74,271.13/x
  3. Step 3: Cross multiply
    134,701.51x = 185,884.52 × 74,271.13
  4. Step 4: Simplify right side
    134,701.51x = 13,805,852,931.62
  5. Step 5: Solve for x
    x = 13,805,852,931.62/134,701.51
  6. Step 6: Final answer
    x = 102,492.19

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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.