Home / 195,136.40-292,364.40-89,739.20

Finding the Fourth Proportional to 195,136.40, 292,364.40 and 89,739.20

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Solution

The fourth proportional to 195,136.40, 292,364.40 and 89,739.20 is: 134,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,136.40 : 292,364.40 = 89,739.20 : x
  2. Step 2: Convert to fraction form
    195,136.40/292,364.40 = 89,739.20/x
  3. Step 3: Cross multiply
    195,136.40x = 292,364.40 × 89,739.20
  4. Step 4: Simplify right side
    195,136.40x = 26,236,547,364.48
  5. Step 5: Solve for x
    x = 26,236,547,364.48/195,136.40
  6. Step 6: Final answer
    x = 134,452.35

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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.