Home / 158,428.60-237,254.10-105,551.80

Finding the Fourth Proportional to 158,428.60, 237,254.10 and 105,551.80

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Solution

The fourth proportional to 158,428.60, 237,254.10 and 105,551.80 is: 158,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,428.60 : 237,254.10 = 105,551.80 : x
  2. Step 2: Convert to fraction form
    158,428.60/237,254.10 = 105,551.80/x
  3. Step 3: Cross multiply
    158,428.60x = 237,254.10 × 105,551.80
  4. Step 4: Simplify right side
    158,428.60x = 25,042,597,312.38
  5. Step 5: Solve for x
    x = 25,042,597,312.38/158,428.60
  6. Step 6: Final answer
    x = 158,068.67

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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.