Home / 316,280.10-436,477.02-173,040.21

Finding the Fourth Proportional to 316,280.10, 436,477.02 and 173,040.21

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Solution

The fourth proportional to 316,280.10, 436,477.02 and 173,040.21 is: 238,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,280.10 : 436,477.02 = 173,040.21 : x
  2. Step 2: Convert to fraction form
    316,280.10/436,477.02 = 173,040.21/x
  3. Step 3: Cross multiply
    316,280.10x = 436,477.02 × 173,040.21
  4. Step 4: Simplify right side
    316,280.10x = 75,528,075,200.97
  5. Step 5: Solve for x
    x = 75,528,075,200.97/316,280.10
  6. Step 6: Final answer
    x = 238,801.22

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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.