Home / 147,263.16-203,228.46-86,806.20

Finding the Fourth Proportional to 147,263.16, 203,228.46 and 86,806.20

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Solution

The fourth proportional to 147,263.16, 203,228.46 and 86,806.20 is: 119,795.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,263.16 : 203,228.46 = 86,806.20 : x
  2. Step 2: Convert to fraction form
    147,263.16/203,228.46 = 86,806.20/x
  3. Step 3: Cross multiply
    147,263.16x = 203,228.46 × 86,806.20
  4. Step 4: Simplify right side
    147,263.16x = 17,641,490,344.45
  5. Step 5: Solve for x
    x = 17,641,490,344.45/147,263.16
  6. Step 6: Final answer
    x = 119,795.68

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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.