Home / 118,841.28-164,075.52-76,473.44

Finding the Fourth Proportional to 118,841.28, 164,075.52 and 76,473.44

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Solution

The fourth proportional to 118,841.28, 164,075.52 and 76,473.44 is: 105,581.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,841.28 : 164,075.52 = 76,473.44 : x
  2. Step 2: Convert to fraction form
    118,841.28/164,075.52 = 76,473.44/x
  3. Step 3: Cross multiply
    118,841.28x = 164,075.52 × 76,473.44
  4. Step 4: Simplify right side
    118,841.28x = 12,547,419,434.19
  5. Step 5: Solve for x
    x = 12,547,419,434.19/118,841.28
  6. Step 6: Final answer
    x = 105,581.32

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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.