Home / 118,345.19-177,452.10-39,416.36

Finding the Fourth Proportional to 118,345.19, 177,452.10 and 39,416.36

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Solution

The fourth proportional to 118,345.19, 177,452.10 and 39,416.36 is: 59,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,345.19 : 177,452.10 = 39,416.36 : x
  2. Step 2: Convert to fraction form
    118,345.19/177,452.10 = 39,416.36/x
  3. Step 3: Cross multiply
    118,345.19x = 177,452.10 × 39,416.36
  4. Step 4: Simplify right side
    118,345.19x = 6,994,514,969.10
  5. Step 5: Solve for x
    x = 6,994,514,969.10/118,345.19
  6. Step 6: Final answer
    x = 59,102.66

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1.5x scale

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.