Home / 219,547.57-302,975.96-118,945.57

Finding the Fourth Proportional to 219,547.57, 302,975.96 and 118,945.57

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Solution

The fourth proportional to 219,547.57, 302,975.96 and 118,945.57 is: 164,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,547.57 : 302,975.96 = 118,945.57 : x
  2. Step 2: Convert to fraction form
    219,547.57/302,975.96 = 118,945.57/x
  3. Step 3: Cross multiply
    219,547.57x = 302,975.96 × 118,945.57
  4. Step 4: Simplify right side
    219,547.57x = 36,037,648,258.50
  5. Step 5: Solve for x
    x = 36,037,648,258.50/219,547.57
  6. Step 6: Final answer
    x = 164,145.06

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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.