Home / 118,713.48-163,750.86-73,405.32

Finding the Fourth Proportional to 118,713.48, 163,750.86 and 73,405.32

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Solution

The fourth proportional to 118,713.48, 163,750.86 and 73,405.32 is: 101,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,713.48 : 163,750.86 = 73,405.32 : x
  2. Step 2: Convert to fraction form
    118,713.48/163,750.86 = 73,405.32/x
  3. Step 3: Cross multiply
    118,713.48x = 163,750.86 × 73,405.32
  4. Step 4: Simplify right side
    118,713.48x = 12,020,184,278.58
  5. Step 5: Solve for x
    x = 12,020,184,278.58/118,713.48
  6. Step 6: Final answer
    x = 101,253.74

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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.