Home / 119,152.96-164,433.95-65,439.14

Finding the Fourth Proportional to 119,152.96, 164,433.95 and 65,439.14

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Solution

The fourth proportional to 119,152.96, 164,433.95 and 65,439.14 is: 90,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,152.96 : 164,433.95 = 65,439.14 : x
  2. Step 2: Convert to fraction form
    119,152.96/164,433.95 = 65,439.14/x
  3. Step 3: Cross multiply
    119,152.96x = 164,433.95 × 65,439.14
  4. Step 4: Simplify right side
    119,152.96x = 10,760,415,125.44
  5. Step 5: Solve for x
    x = 10,760,415,125.44/119,152.96
  6. Step 6: Final answer
    x = 90,307.58

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1.5x scale

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.