Home / 238,038.84-328,493.60-136,066.51

Finding the Fourth Proportional to 238,038.84, 328,493.60 and 136,066.51

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Solution

The fourth proportional to 238,038.84, 328,493.60 and 136,066.51 is: 187,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,038.84 : 328,493.60 = 136,066.51 : x
  2. Step 2: Convert to fraction form
    238,038.84/328,493.60 = 136,066.51/x
  3. Step 3: Cross multiply
    238,038.84x = 328,493.60 × 136,066.51
  4. Step 4: Simplify right side
    238,038.84x = 44,696,978,878.57
  5. Step 5: Solve for x
    x = 44,696,978,878.57/238,038.84
  6. Step 6: Final answer
    x = 187,771.79

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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.