Home / 316,032.36-436,124.69-172,792.50

Finding the Fourth Proportional to 316,032.36, 436,124.69 and 172,792.50

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Solution

The fourth proportional to 316,032.36, 436,124.69 and 172,792.50 is: 238,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,032.36 : 436,124.69 = 172,792.50 : x
  2. Step 2: Convert to fraction form
    316,032.36/436,124.69 = 172,792.50/x
  3. Step 3: Cross multiply
    316,032.36x = 436,124.69 × 172,792.50
  4. Step 4: Simplify right side
    316,032.36x = 75,359,075,496.83
  5. Step 5: Solve for x
    x = 75,359,075,496.83/316,032.36
  6. Step 6: Final answer
    x = 238,453.67

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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.