Home / 118,259.30-163,201.38-64,547.84

Finding the Fourth Proportional to 118,259.30, 163,201.38 and 64,547.84

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Solution

The fourth proportional to 118,259.30, 163,201.38 and 64,547.84 is: 89,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,259.30 : 163,201.38 = 64,547.84 : x
  2. Step 2: Convert to fraction form
    118,259.30/163,201.38 = 64,547.84/x
  3. Step 3: Cross multiply
    118,259.30x = 163,201.38 × 64,547.84
  4. Step 4: Simplify right side
    118,259.30x = 10,534,296,564.02
  5. Step 5: Solve for x
    x = 10,534,296,564.02/118,259.30
  6. Step 6: Final answer
    x = 89,077.95

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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.