Home / 236,266.86-326,056.14-128,842.77

Finding the Fourth Proportional to 236,266.86, 326,056.14 and 128,842.77

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Solution

The fourth proportional to 236,266.86, 326,056.14 and 128,842.77 is: 177,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,266.86 : 326,056.14 = 128,842.77 : x
  2. Step 2: Convert to fraction form
    236,266.86/326,056.14 = 128,842.77/x
  3. Step 3: Cross multiply
    236,266.86x = 326,056.14 × 128,842.77
  4. Step 4: Simplify right side
    236,266.86x = 42,009,976,253.11
  5. Step 5: Solve for x
    x = 42,009,976,253.11/236,266.86
  6. Step 6: Final answer
    x = 177,807.32

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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.