Home / 314,391.12-433,792.48-187,041.84

Finding the Fourth Proportional to 314,391.12, 433,792.48 and 187,041.84

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Solution

The fourth proportional to 314,391.12, 433,792.48 and 187,041.84 is: 258,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,391.12 : 433,792.48 = 187,041.84 : x
  2. Step 2: Convert to fraction form
    314,391.12/433,792.48 = 187,041.84/x
  3. Step 3: Cross multiply
    314,391.12x = 433,792.48 × 187,041.84
  4. Step 4: Simplify right side
    314,391.12x = 81,137,343,637.36
  5. Step 5: Solve for x
    x = 81,137,343,637.36/314,391.12
  6. Step 6: Final answer
    x = 258,077.72

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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.