Home / 357,015.03-535,148.93-120,275.92

Finding the Fourth Proportional to 357,015.03, 535,148.93 and 120,275.92

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Solution

The fourth proportional to 357,015.03, 535,148.93 and 120,275.92 is: 180,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,015.03 : 535,148.93 = 120,275.92 : x
  2. Step 2: Convert to fraction form
    357,015.03/535,148.93 = 120,275.92/x
  3. Step 3: Cross multiply
    357,015.03x = 535,148.93 × 120,275.92
  4. Step 4: Simplify right side
    357,015.03x = 64,365,529,291.39
  5. Step 5: Solve for x
    x = 64,365,529,291.39/357,015.03
  6. Step 6: Final answer
    x = 180,288.01

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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.