Home / 201,435.16-302,159.49-61,193.38

Finding the Fourth Proportional to 201,435.16, 302,159.49 and 61,193.38

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Solution

The fourth proportional to 201,435.16, 302,159.49 and 61,193.38 is: 91,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,435.16 : 302,159.49 = 61,193.38 : x
  2. Step 2: Convert to fraction form
    201,435.16/302,159.49 = 61,193.38/x
  3. Step 3: Cross multiply
    201,435.16x = 302,159.49 × 61,193.38
  4. Step 4: Simplify right side
    201,435.16x = 18,490,158,675.41
  5. Step 5: Solve for x
    x = 18,490,158,675.41/201,435.16
  6. Step 6: Final answer
    x = 91,792.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.