Home / 111,205.48-153,457.70-60,903.40

Finding the Fourth Proportional to 111,205.48, 153,457.70 and 60,903.40

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Solution

The fourth proportional to 111,205.48, 153,457.70 and 60,903.40 is: 84,043.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,205.48 : 153,457.70 = 60,903.40 : x
  2. Step 2: Convert to fraction form
    111,205.48/153,457.70 = 60,903.40/x
  3. Step 3: Cross multiply
    111,205.48x = 153,457.70 × 60,903.40
  4. Step 4: Simplify right side
    111,205.48x = 9,346,095,686.18
  5. Step 5: Solve for x
    x = 9,346,095,686.18/111,205.48
  6. Step 6: Final answer
    x = 84,043.48

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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.