Home / 236,280.60-326,070.06-128,849.70

Finding the Fourth Proportional to 236,280.60, 326,070.06 and 128,849.70

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Solution

The fourth proportional to 236,280.60, 326,070.06 and 128,849.70 is: 177,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,280.60 : 326,070.06 = 128,849.70 : x
  2. Step 2: Convert to fraction form
    236,280.60/326,070.06 = 128,849.70/x
  3. Step 3: Cross multiply
    236,280.60x = 326,070.06 × 128,849.70
  4. Step 4: Simplify right side
    236,280.60x = 42,014,029,409.98
  5. Step 5: Solve for x
    x = 42,014,029,409.98/236,280.60
  6. Step 6: Final answer
    x = 177,814.13

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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.