Home / 429,178.08-592,238.16-238,191.60

Finding the Fourth Proportional to 429,178.08, 592,238.16 and 238,191.60

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Solution

The fourth proportional to 429,178.08, 592,238.16 and 238,191.60 is: 328,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,178.08 : 592,238.16 = 238,191.60 : x
  2. Step 2: Convert to fraction form
    429,178.08/592,238.16 = 238,191.60/x
  3. Step 3: Cross multiply
    429,178.08x = 592,238.16 × 238,191.60
  4. Step 4: Simplify right side
    429,178.08x = 141,066,154,911.46
  5. Step 5: Solve for x
    x = 141,066,154,911.46/429,178.08
  6. Step 6: Final answer
    x = 328,689.10

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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.