Home / 152,540.98-210,381.74-107,368.50

Finding the Fourth Proportional to 152,540.98, 210,381.74 and 107,368.50

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Solution

The fourth proportional to 152,540.98, 210,381.74 and 107,368.50 is: 148,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,540.98 : 210,381.74 = 107,368.50 : x
  2. Step 2: Convert to fraction form
    152,540.98/210,381.74 = 107,368.50/x
  3. Step 3: Cross multiply
    152,540.98x = 210,381.74 × 107,368.50
  4. Step 4: Simplify right side
    152,540.98x = 22,588,371,851.19
  5. Step 5: Solve for x
    x = 22,588,371,851.19/152,540.98
  6. Step 6: Final answer
    x = 148,080.68

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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.