Home / 243,557.06-336,106.51-134,668.94

Finding the Fourth Proportional to 243,557.06, 336,106.51 and 134,668.94

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Solution

The fourth proportional to 243,557.06, 336,106.51 and 134,668.94 is: 185,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,557.06 : 336,106.51 = 134,668.94 : x
  2. Step 2: Convert to fraction form
    243,557.06/336,106.51 = 134,668.94/x
  3. Step 3: Cross multiply
    243,557.06x = 336,106.51 × 134,668.94
  4. Step 4: Simplify right side
    243,557.06x = 45,263,105,411.59
  5. Step 5: Solve for x
    x = 45,263,105,411.59/243,557.06
  6. Step 6: Final answer
    x = 185,841.90

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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.