Home / 127,117.76-175,448.04-73,411.52

Finding the Fourth Proportional to 127,117.76, 175,448.04 and 73,411.52

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Solution

The fourth proportional to 127,117.76, 175,448.04 and 73,411.52 is: 101,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.76 : 175,448.04 = 73,411.52 : x
  2. Step 2: Convert to fraction form
    127,117.76/175,448.04 = 73,411.52/x
  3. Step 3: Cross multiply
    127,117.76x = 175,448.04 × 73,411.52
  4. Step 4: Simplify right side
    127,117.76x = 12,879,907,297.42
  5. Step 5: Solve for x
    x = 12,879,907,297.42/127,117.76
  6. Step 6: Final answer
    x = 101,322.64

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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.