Home / 119,594.36-165,039.45-65,878.13

Finding the Fourth Proportional to 119,594.36, 165,039.45 and 65,878.13

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Solution

The fourth proportional to 119,594.36, 165,039.45 and 65,878.13 is: 90,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,594.36 : 165,039.45 = 65,878.13 : x
  2. Step 2: Convert to fraction form
    119,594.36/165,039.45 = 65,878.13/x
  3. Step 3: Cross multiply
    119,594.36x = 165,039.45 × 65,878.13
  4. Step 4: Simplify right side
    119,594.36x = 10,872,490,342.23
  5. Step 5: Solve for x
    x = 10,872,490,342.23/119,594.36
  6. Step 6: Final answer
    x = 90,911.40

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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.