Home / 119,064.12-164,307.45-65,351.40

Finding the Fourth Proportional to 119,064.12, 164,307.45 and 65,351.40

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Solution

The fourth proportional to 119,064.12, 164,307.45 and 65,351.40 is: 90,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,064.12 : 164,307.45 = 65,351.40 : x
  2. Step 2: Convert to fraction form
    119,064.12/164,307.45 = 65,351.40/x
  3. Step 3: Cross multiply
    119,064.12x = 164,307.45 × 65,351.40
  4. Step 4: Simplify right side
    119,064.12x = 10,737,721,887.93
  5. Step 5: Solve for x
    x = 10,737,721,887.93/119,064.12
  6. Step 6: Final answer
    x = 90,184.36

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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.