Home / 234,567.21-323,701.47-127,136.10

Finding the Fourth Proportional to 234,567.21, 323,701.47 and 127,136.10

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Solution

The fourth proportional to 234,567.21, 323,701.47 and 127,136.10 is: 175,447.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,567.21 : 323,701.47 = 127,136.10 : x
  2. Step 2: Convert to fraction form
    234,567.21/323,701.47 = 127,136.10/x
  3. Step 3: Cross multiply
    234,567.21x = 323,701.47 × 127,136.10
  4. Step 4: Simplify right side
    234,567.21x = 41,154,142,460.07
  5. Step 5: Solve for x
    x = 41,154,142,460.07/234,567.21
  6. Step 6: Final answer
    x = 175,447.12

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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.