Home / 148,677.80-205,345.76-97,917.40

Finding the Fourth Proportional to 148,677.80, 205,345.76 and 97,917.40

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Solution

The fourth proportional to 148,677.80, 205,345.76 and 97,917.40 is: 135,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,677.80 : 205,345.76 = 97,917.40 : x
  2. Step 2: Convert to fraction form
    148,677.80/205,345.76 = 97,917.40/x
  3. Step 3: Cross multiply
    148,677.80x = 205,345.76 × 97,917.40
  4. Step 4: Simplify right side
    148,677.80x = 20,106,922,920.22
  5. Step 5: Solve for x
    x = 20,106,922,920.22/148,677.80
  6. Step 6: Final answer
    x = 135,238.23

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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.