Home / 219,490.32-302,896.36-118,888.72

Finding the Fourth Proportional to 219,490.32, 302,896.36 and 118,888.72

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Solution

The fourth proportional to 219,490.32, 302,896.36 and 118,888.72 is: 164,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,490.32 : 302,896.36 = 118,888.72 : x
  2. Step 2: Convert to fraction form
    219,490.32/302,896.36 = 118,888.72/x
  3. Step 3: Cross multiply
    219,490.32x = 302,896.36 × 118,888.72
  4. Step 4: Simplify right side
    219,490.32x = 36,010,960,533.06
  5. Step 5: Solve for x
    x = 36,010,960,533.06/219,490.32
  6. Step 6: Final answer
    x = 164,066.28

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1.5x scale

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.