Home / 247,477.40-341,518.62-140,045.48

Finding the Fourth Proportional to 247,477.40, 341,518.62 and 140,045.48

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Solution

The fourth proportional to 247,477.40, 341,518.62 and 140,045.48 is: 193,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,477.40 : 341,518.62 = 140,045.48 : x
  2. Step 2: Convert to fraction form
    247,477.40/341,518.62 = 140,045.48/x
  3. Step 3: Cross multiply
    247,477.40x = 341,518.62 × 140,045.48
  4. Step 4: Simplify right side
    247,477.40x = 47,828,139,066.84
  5. Step 5: Solve for x
    x = 47,828,139,066.84/247,477.40
  6. Step 6: Final answer
    x = 193,262.65

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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.