Home / 236,688.34-326,632.51-129,261.53

Finding the Fourth Proportional to 236,688.34, 326,632.51 and 129,261.53

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Solution

The fourth proportional to 236,688.34, 326,632.51 and 129,261.53 is: 178,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,688.34 : 326,632.51 = 129,261.53 : x
  2. Step 2: Convert to fraction form
    236,688.34/326,632.51 = 129,261.53/x
  3. Step 3: Cross multiply
    236,688.34x = 326,632.51 × 129,261.53
  4. Step 4: Simplify right side
    236,688.34x = 42,221,018,483.77
  5. Step 5: Solve for x
    x = 42,221,018,483.77/236,688.34
  6. Step 6: Final answer
    x = 178,382.34

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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.