Home / 119,124.08-164,394.36-65,412.56

Finding the Fourth Proportional to 119,124.08, 164,394.36 and 65,412.56

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Solution

The fourth proportional to 119,124.08, 164,394.36 and 65,412.56 is: 90,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,124.08 : 164,394.36 = 65,412.56 : x
  2. Step 2: Convert to fraction form
    119,124.08/164,394.36 = 65,412.56/x
  3. Step 3: Cross multiply
    119,124.08x = 164,394.36 × 65,412.56
  4. Step 4: Simplify right side
    119,124.08x = 10,753,455,937.16
  5. Step 5: Solve for x
    x = 10,753,455,937.16/119,124.08
  6. Step 6: Final answer
    x = 90,271.05

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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.