Home / 180,105.12-248,547.69-104,653.62

Finding the Fourth Proportional to 180,105.12, 248,547.69 and 104,653.62

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Solution

The fourth proportional to 180,105.12, 248,547.69 and 104,653.62 is: 144,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,105.12 : 248,547.69 = 104,653.62 : x
  2. Step 2: Convert to fraction form
    180,105.12/248,547.69 = 104,653.62/x
  3. Step 3: Cross multiply
    180,105.12x = 248,547.69 × 104,653.62
  4. Step 4: Simplify right side
    180,105.12x = 26,011,415,501.14
  5. Step 5: Solve for x
    x = 26,011,415,501.14/180,105.12
  6. Step 6: Final answer
    x = 144,423.52

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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.