Home / 124,051.40-186,077.10-117,636.20

Finding the Fourth Proportional to 124,051.40, 186,077.10 and 117,636.20

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Solution

The fourth proportional to 124,051.40, 186,077.10 and 117,636.20 is: 176,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,051.40 : 186,077.10 = 117,636.20 : x
  2. Step 2: Convert to fraction form
    124,051.40/186,077.10 = 117,636.20/x
  3. Step 3: Cross multiply
    124,051.40x = 186,077.10 × 117,636.20
  4. Step 4: Simplify right side
    124,051.40x = 21,889,402,951.02
  5. Step 5: Solve for x
    x = 21,889,402,951.02/124,051.40
  6. Step 6: Final answer
    x = 176,454.30

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1.5x scale

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.