Home / 147,875.52-204,074.64-83,366.40

Finding the Fourth Proportional to 147,875.52, 204,074.64 and 83,366.40

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Solution

The fourth proportional to 147,875.52, 204,074.64 and 83,366.40 is: 115,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,875.52 : 204,074.64 = 83,366.40 : x
  2. Step 2: Convert to fraction form
    147,875.52/204,074.64 = 83,366.40/x
  3. Step 3: Cross multiply
    147,875.52x = 204,074.64 × 83,366.40
  4. Step 4: Simplify right side
    147,875.52x = 17,012,968,068.10
  5. Step 5: Solve for x
    x = 17,012,968,068.10/147,875.52
  6. Step 6: Final answer
    x = 115,049.25

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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.