Home / 165,036.60-247,554.90-153,977.40

Finding the Fourth Proportional to 165,036.60, 247,554.90 and 153,977.40

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Solution

The fourth proportional to 165,036.60, 247,554.90 and 153,977.40 is: 230,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,036.60 : 247,554.90 = 153,977.40 : x
  2. Step 2: Convert to fraction form
    165,036.60/247,554.90 = 153,977.40/x
  3. Step 3: Cross multiply
    165,036.60x = 247,554.90 × 153,977.40
  4. Step 4: Simplify right side
    165,036.60x = 38,117,859,859.26
  5. Step 5: Solve for x
    x = 38,117,859,859.26/165,036.60
  6. Step 6: Final answer
    x = 230,966.10

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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.