Home / 205,071.60-307,051.56-106,368.24

Finding the Fourth Proportional to 205,071.60, 307,051.56 and 106,368.24

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Solution

The fourth proportional to 205,071.60, 307,051.56 and 106,368.24 is: 159,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,071.60 : 307,051.56 = 106,368.24 : x
  2. Step 2: Convert to fraction form
    205,071.60/307,051.56 = 106,368.24/x
  3. Step 3: Cross multiply
    205,071.60x = 307,051.56 × 106,368.24
  4. Step 4: Simplify right side
    205,071.60x = 32,660,534,026.45
  5. Step 5: Solve for x
    x = 32,660,534,026.45/205,071.60
  6. Step 6: Final answer
    x = 159,264.05

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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.