Home / 219,810.03-329,711.45-70,048.32

Finding the Fourth Proportional to 219,810.03, 329,711.45 and 70,048.32

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Solution

The fourth proportional to 219,810.03, 329,711.45 and 70,048.32 is: 105,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,810.03 : 329,711.45 = 70,048.32 : x
  2. Step 2: Convert to fraction form
    219,810.03/329,711.45 = 70,048.32/x
  3. Step 3: Cross multiply
    219,810.03x = 329,711.45 × 70,048.32
  4. Step 4: Simplify right side
    219,810.03x = 23,095,732,807.02
  5. Step 5: Solve for x
    x = 23,095,732,807.02/219,810.03
  6. Step 6: Final answer
    x = 105,071.33

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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.