Home / 236,360.91-326,180.14-128,931.42

Finding the Fourth Proportional to 236,360.91, 326,180.14 and 128,931.42

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Solution

The fourth proportional to 236,360.91, 326,180.14 and 128,931.42 is: 177,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,360.91 : 326,180.14 = 128,931.42 : x
  2. Step 2: Convert to fraction form
    236,360.91/326,180.14 = 128,931.42/x
  3. Step 3: Cross multiply
    236,360.91x = 326,180.14 × 128,931.42
  4. Step 4: Simplify right side
    236,360.91x = 42,054,868,303.67
  5. Step 5: Solve for x
    x = 42,054,868,303.67/236,360.91
  6. Step 6: Final answer
    x = 177,926.50

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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.