Home / 240,688.80-332,301.78-154,686.24

Finding the Fourth Proportional to 240,688.80, 332,301.78 and 154,686.24

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Solution

The fourth proportional to 240,688.80, 332,301.78 and 154,686.24 is: 213,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,688.80 : 332,301.78 = 154,686.24 : x
  2. Step 2: Convert to fraction form
    240,688.80/332,301.78 = 154,686.24/x
  3. Step 3: Cross multiply
    240,688.80x = 332,301.78 × 154,686.24
  4. Step 4: Simplify right side
    240,688.80x = 51,402,512,893.51
  5. Step 5: Solve for x
    x = 51,402,512,893.51/240,688.80
  6. Step 6: Final answer
    x = 213,564.21

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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.