Home / 219,543.62-302,971.65-118,941.62

Finding the Fourth Proportional to 219,543.62, 302,971.65 and 118,941.62

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Solution

The fourth proportional to 219,543.62, 302,971.65 and 118,941.62 is: 164,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,543.62 : 302,971.65 = 118,941.62 : x
  2. Step 2: Convert to fraction form
    219,543.62/302,971.65 = 118,941.62/x
  3. Step 3: Cross multiply
    219,543.62x = 302,971.65 × 118,941.62
  4. Step 4: Simplify right side
    219,543.62x = 36,035,938,865.07
  5. Step 5: Solve for x
    x = 36,035,938,865.07/219,543.62
  6. Step 6: Final answer
    x = 164,140.22

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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.