Home / 153,974.79-210,941.95-148,218.11

Finding the Fourth Proportional to 153,974.79, 210,941.95 and 148,218.11

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Solution

The fourth proportional to 153,974.79, 210,941.95 and 148,218.11 is: 203,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,974.79 : 210,941.95 = 148,218.11 : x
  2. Step 2: Convert to fraction form
    153,974.79/210,941.95 = 148,218.11/x
  3. Step 3: Cross multiply
    153,974.79x = 210,941.95 × 148,218.11
  4. Step 4: Simplify right side
    153,974.79x = 31,265,416,812.49
  5. Step 5: Solve for x
    x = 31,265,416,812.49/153,974.79
  6. Step 6: Final answer
    x = 203,055.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.