Home / 141,602.86-195,417.48-77,946.58

Finding the Fourth Proportional to 141,602.86, 195,417.48 and 77,946.58

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Solution

The fourth proportional to 141,602.86, 195,417.48 and 77,946.58 is: 107,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,602.86 : 195,417.48 = 77,946.58 : x
  2. Step 2: Convert to fraction form
    141,602.86/195,417.48 = 77,946.58/x
  3. Step 3: Cross multiply
    141,602.86x = 195,417.48 × 77,946.58
  4. Step 4: Simplify right side
    141,602.86x = 15,232,124,041.97
  5. Step 5: Solve for x
    x = 15,232,124,041.97/141,602.86
  6. Step 6: Final answer
    x = 107,569.33

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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.