Home / 219,069.77-302,316.10-118,467.77

Finding the Fourth Proportional to 219,069.77, 302,316.10 and 118,467.77

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Solution

The fourth proportional to 219,069.77, 302,316.10 and 118,467.77 is: 163,485.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,069.77 : 302,316.10 = 118,467.77 : x
  2. Step 2: Convert to fraction form
    219,069.77/302,316.10 = 118,467.77/x
  3. Step 3: Cross multiply
    219,069.77x = 302,316.10 × 118,467.77
  4. Step 4: Simplify right side
    219,069.77x = 35,814,712,394.35
  5. Step 5: Solve for x
    x = 35,814,712,394.35/219,069.77
  6. Step 6: Final answer
    x = 163,485.42

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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.