Home / 341,811.86-512,719.06-105,152.90

Finding the Fourth Proportional to 341,811.86, 512,719.06 and 105,152.90

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Solution

The fourth proportional to 341,811.86, 512,719.06 and 105,152.90 is: 157,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,811.86 : 512,719.06 = 105,152.90 : x
  2. Step 2: Convert to fraction form
    341,811.86/512,719.06 = 105,152.90/x
  3. Step 3: Cross multiply
    341,811.86x = 512,719.06 × 105,152.90
  4. Step 4: Simplify right side
    341,811.86x = 53,913,896,044.27
  5. Step 5: Solve for x
    x = 53,913,896,044.27/341,811.86
  6. Step 6: Final answer
    x = 157,729.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.