Home / 112,037.80-168,056.70-97,275.55

Finding the Fourth Proportional to 112,037.80, 168,056.70 and 97,275.55

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Solution

The fourth proportional to 112,037.80, 168,056.70 and 97,275.55 is: 145,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,037.80 : 168,056.70 = 97,275.55 : x
  2. Step 2: Convert to fraction form
    112,037.80/168,056.70 = 97,275.55/x
  3. Step 3: Cross multiply
    112,037.80x = 168,056.70 × 97,275.55
  4. Step 4: Simplify right side
    112,037.80x = 16,347,807,923.69
  5. Step 5: Solve for x
    x = 16,347,807,923.69/112,037.80
  6. Step 6: Final answer
    x = 145,913.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.