Home / 189,151.08-261,030.24-104,271.18

Finding the Fourth Proportional to 189,151.08, 261,030.24 and 104,271.18

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Solution

The fourth proportional to 189,151.08, 261,030.24 and 104,271.18 is: 143,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,151.08 : 261,030.24 = 104,271.18 : x
  2. Step 2: Convert to fraction form
    189,151.08/261,030.24 = 104,271.18/x
  3. Step 3: Cross multiply
    189,151.08x = 261,030.24 × 104,271.18
  4. Step 4: Simplify right side
    189,151.08x = 27,217,931,140.48
  5. Step 5: Solve for x
    x = 27,217,931,140.48/189,151.08
  6. Step 6: Final answer
    x = 143,895.19

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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.