Home / 236,360.16-326,179.10-128,930.67

Finding the Fourth Proportional to 236,360.16, 326,179.10 and 128,930.67

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Solution

The fourth proportional to 236,360.16, 326,179.10 and 128,930.67 is: 177,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,360.16 : 326,179.10 = 128,930.67 : x
  2. Step 2: Convert to fraction form
    236,360.16/326,179.10 = 128,930.67/x
  3. Step 3: Cross multiply
    236,360.16x = 326,179.10 × 128,930.67
  4. Step 4: Simplify right side
    236,360.16x = 42,054,490,225.32
  5. Step 5: Solve for x
    x = 42,054,490,225.32/236,360.16
  6. Step 6: Final answer
    x = 177,925.46

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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.