Home / 282,301.28-389,574.08-153,242.34

Finding the Fourth Proportional to 282,301.28, 389,574.08 and 153,242.34

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Solution

The fourth proportional to 282,301.28, 389,574.08 and 153,242.34 is: 211,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,301.28 : 389,574.08 = 153,242.34 : x
  2. Step 2: Convert to fraction form
    282,301.28/389,574.08 = 153,242.34/x
  3. Step 3: Cross multiply
    282,301.28x = 389,574.08 × 153,242.34
  4. Step 4: Simplify right side
    282,301.28x = 59,699,243,622.55
  5. Step 5: Solve for x
    x = 59,699,243,622.55/282,301.28
  6. Step 6: Final answer
    x = 211,473.51

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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.