Home / 153,868.09-212,278.59-96,407.23

Finding the Fourth Proportional to 153,868.09, 212,278.59 and 96,407.23

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Solution

The fourth proportional to 153,868.09, 212,278.59 and 96,407.23 is: 133,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,868.09 : 212,278.59 = 96,407.23 : x
  2. Step 2: Convert to fraction form
    153,868.09/212,278.59 = 96,407.23/x
  3. Step 3: Cross multiply
    153,868.09x = 212,278.59 × 96,407.23
  4. Step 4: Simplify right side
    153,868.09x = 20,465,191,368.67
  5. Step 5: Solve for x
    x = 20,465,191,368.67/153,868.09
  6. Step 6: Final answer
    x = 133,004.78

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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.