Home / 236,360.66-326,179.80-128,931.18

Finding the Fourth Proportional to 236,360.66, 326,179.80 and 128,931.18

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Solution

The fourth proportional to 236,360.66, 326,179.80 and 128,931.18 is: 177,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,360.66 : 326,179.80 = 128,931.18 : x
  2. Step 2: Convert to fraction form
    236,360.66/326,179.80 = 128,931.18/x
  3. Step 3: Cross multiply
    236,360.66x = 326,179.80 × 128,931.18
  4. Step 4: Simplify right side
    236,360.66x = 42,054,746,506.16
  5. Step 5: Solve for x
    x = 42,054,746,506.16/236,360.66
  6. Step 6: Final answer
    x = 177,926.17

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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.