Home / 118,953.04-164,143.71-71,205.36

Finding the Fourth Proportional to 118,953.04, 164,143.71 and 71,205.36

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Solution

The fourth proportional to 118,953.04, 164,143.71 and 71,205.36 is: 98,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,953.04 : 164,143.71 = 71,205.36 : x
  2. Step 2: Convert to fraction form
    118,953.04/164,143.71 = 71,205.36/x
  3. Step 3: Cross multiply
    118,953.04x = 164,143.71 × 71,205.36
  4. Step 4: Simplify right side
    118,953.04x = 11,687,911,962.29
  5. Step 5: Solve for x
    x = 11,687,911,962.29/118,953.04
  6. Step 6: Final answer
    x = 98,256.52

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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.