Home / 118,301.04-163,256.28-64,587.12

Finding the Fourth Proportional to 118,301.04, 163,256.28 and 64,587.12

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Solution

The fourth proportional to 118,301.04, 163,256.28 and 64,587.12 is: 89,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,301.04 : 163,256.28 = 64,587.12 : x
  2. Step 2: Convert to fraction form
    118,301.04/163,256.28 = 64,587.12/x
  3. Step 3: Cross multiply
    118,301.04x = 163,256.28 × 64,587.12
  4. Step 4: Simplify right side
    118,301.04x = 10,544,252,947.11
  5. Step 5: Solve for x
    x = 10,544,252,947.11/118,301.04
  6. Step 6: Final answer
    x = 89,130.69

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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.