Home / 180,547.87-249,153.01-99,973.66

Finding the Fourth Proportional to 180,547.87, 249,153.01 and 99,973.66

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Solution

The fourth proportional to 180,547.87, 249,153.01 and 99,973.66 is: 137,961.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,547.87 : 249,153.01 = 99,973.66 : x
  2. Step 2: Convert to fraction form
    180,547.87/249,153.01 = 99,973.66/x
  3. Step 3: Cross multiply
    180,547.87x = 249,153.01 × 99,973.66
  4. Step 4: Simplify right side
    180,547.87x = 24,908,738,044.65
  5. Step 5: Solve for x
    x = 24,908,738,044.65/180,547.87
  6. Step 6: Final answer
    x = 137,961.96

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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.