Home / 219,146.16-302,421.48-118,543.92

Finding the Fourth Proportional to 219,146.16, 302,421.48 and 118,543.92

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Solution

The fourth proportional to 219,146.16, 302,421.48 and 118,543.92 is: 163,590.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,146.16 : 302,421.48 = 118,543.92 : x
  2. Step 2: Convert to fraction form
    219,146.16/302,421.48 = 118,543.92/x
  3. Step 3: Cross multiply
    219,146.16x = 302,421.48 × 118,543.92
  4. Step 4: Simplify right side
    219,146.16x = 35,850,227,731.40
  5. Step 5: Solve for x
    x = 35,850,227,731.40/219,146.16
  6. Step 6: Final answer
    x = 163,590.49

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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.