Home / 153,499.23-211,835.47-85,516.16

Finding the Fourth Proportional to 153,499.23, 211,835.47 and 85,516.16

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Solution

The fourth proportional to 153,499.23, 211,835.47 and 85,516.16 is: 118,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,499.23 : 211,835.47 = 85,516.16 : x
  2. Step 2: Convert to fraction form
    153,499.23/211,835.47 = 85,516.16/x
  3. Step 3: Cross multiply
    153,499.23x = 211,835.47 × 85,516.16
  4. Step 4: Simplify right side
    153,499.23x = 18,115,355,946.20
  5. Step 5: Solve for x
    x = 18,115,355,946.20/153,499.23
  6. Step 6: Final answer
    x = 118,015.94

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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.