Home / 114,631.10-171,946.65-100,807.10

Finding the Fourth Proportional to 114,631.10, 171,946.65 and 100,807.10

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Solution

The fourth proportional to 114,631.10, 171,946.65 and 100,807.10 is: 151,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,631.10 : 171,946.65 = 100,807.10 : x
  2. Step 2: Convert to fraction form
    114,631.10/171,946.65 = 100,807.10/x
  3. Step 3: Cross multiply
    114,631.10x = 171,946.65 × 100,807.10
  4. Step 4: Simplify right side
    114,631.10x = 17,333,443,141.22
  5. Step 5: Solve for x
    x = 17,333,443,141.22/114,631.10
  6. Step 6: Final answer
    x = 151,210.65

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1.5x scale

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.