Home / 236,361.16-326,180.49-128,931.67

Finding the Fourth Proportional to 236,361.16, 326,180.49 and 128,931.67

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Solution

The fourth proportional to 236,361.16, 326,180.49 and 128,931.67 is: 177,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,361.16 : 326,180.49 = 128,931.67 : x
  2. Step 2: Convert to fraction form
    236,361.16/326,180.49 = 128,931.67/x
  3. Step 3: Cross multiply
    236,361.16x = 326,180.49 × 128,931.67
  4. Step 4: Simplify right side
    236,361.16x = 42,054,994,652.46
  5. Step 5: Solve for x
    x = 42,054,994,652.46/236,361.16
  6. Step 6: Final answer
    x = 177,926.84

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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.