Home / 348,748.19-523,127.14-99,430.19

Finding the Fourth Proportional to 348,748.19, 523,127.14 and 99,430.19

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Solution

The fourth proportional to 348,748.19, 523,127.14 and 99,430.19 is: 149,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,748.19 : 523,127.14 = 99,430.19 : x
  2. Step 2: Convert to fraction form
    348,748.19/523,127.14 = 99,430.19/x
  3. Step 3: Cross multiply
    348,748.19x = 523,127.14 × 99,430.19
  4. Step 4: Simplify right side
    348,748.19x = 52,014,630,924.36
  5. Step 5: Solve for x
    x = 52,014,630,924.36/348,748.19
  6. Step 6: Final answer
    x = 149,146.67

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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.