Home / 124,037.10-186,055.65-74,270.70

Finding the Fourth Proportional to 124,037.10, 186,055.65 and 74,270.70

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Solution

The fourth proportional to 124,037.10, 186,055.65 and 74,270.70 is: 111,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,037.10 : 186,055.65 = 74,270.70 : x
  2. Step 2: Convert to fraction form
    124,037.10/186,055.65 = 74,270.70/x
  3. Step 3: Cross multiply
    124,037.10x = 186,055.65 × 74,270.70
  4. Step 4: Simplify right side
    124,037.10x = 13,818,483,364.46
  5. Step 5: Solve for x
    x = 13,818,483,364.46/124,037.10
  6. Step 6: Final answer
    x = 111,406.05

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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.