Home / 125,426.40-188,139.60-46,532.40

Finding the Fourth Proportional to 125,426.40, 188,139.60 and 46,532.40

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Solution

The fourth proportional to 125,426.40, 188,139.60 and 46,532.40 is: 69,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,426.40 : 188,139.60 = 46,532.40 : x
  2. Step 2: Convert to fraction form
    125,426.40/188,139.60 = 46,532.40/x
  3. Step 3: Cross multiply
    125,426.40x = 188,139.60 × 46,532.40
  4. Step 4: Simplify right side
    125,426.40x = 8,754,587,123.04
  5. Step 5: Solve for x
    x = 8,754,587,123.04/125,426.40
  6. Step 6: Final answer
    x = 69,798.60

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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.