Home / 140,276.72-193,574.76-76,602.32

Finding the Fourth Proportional to 140,276.72, 193,574.76 and 76,602.32

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Solution

The fourth proportional to 140,276.72, 193,574.76 and 76,602.32 is: 105,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,276.72 : 193,574.76 = 76,602.32 : x
  2. Step 2: Convert to fraction form
    140,276.72/193,574.76 = 76,602.32/x
  3. Step 3: Cross multiply
    140,276.72x = 193,574.76 × 76,602.32
  4. Step 4: Simplify right side
    140,276.72x = 14,828,275,709.44
  5. Step 5: Solve for x
    x = 14,828,275,709.44/140,276.72
  6. Step 6: Final answer
    x = 105,707.32

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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.