Home / 118,685.93-163,759.05-70,263.52

Finding the Fourth Proportional to 118,685.93, 163,759.05 and 70,263.52

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Solution

The fourth proportional to 118,685.93, 163,759.05 and 70,263.52 is: 96,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,685.93 : 163,759.05 = 70,263.52 : x
  2. Step 2: Convert to fraction form
    118,685.93/163,759.05 = 70,263.52/x
  3. Step 3: Cross multiply
    118,685.93x = 163,759.05 × 70,263.52
  4. Step 4: Simplify right side
    118,685.93x = 11,506,286,875.46
  5. Step 5: Solve for x
    x = 11,506,286,875.46/118,685.93
  6. Step 6: Final answer
    x = 96,947.36

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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.