Home / 242,131.02-334,135.80-134,698.74

Finding the Fourth Proportional to 242,131.02, 334,135.80 and 134,698.74

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Solution

The fourth proportional to 242,131.02, 334,135.80 and 134,698.74 is: 185,881.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,131.02 : 334,135.80 = 134,698.74 : x
  2. Step 2: Convert to fraction form
    242,131.02/334,135.80 = 134,698.74/x
  3. Step 3: Cross multiply
    242,131.02x = 334,135.80 × 134,698.74
  4. Step 4: Simplify right side
    242,131.02x = 45,007,671,248.89
  5. Step 5: Solve for x
    x = 45,007,671,248.89/242,131.02
  6. Step 6: Final answer
    x = 185,881.48

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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.